diff --git a/common/static/coffee/src/discussion/views/discussion_thread_profile_view.coffee b/common/static/coffee/src/discussion/views/discussion_thread_profile_view.coffee
index d31a402a99..8b47696c01 100644
--- a/common/static/coffee/src/discussion/views/discussion_thread_profile_view.coffee
+++ b/common/static/coffee/src/discussion/views/discussion_thread_profile_view.coffee
@@ -50,7 +50,7 @@ if Backbone?
 
     convertMath: ->
       element = @$(".post-body")
-      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.html()
+      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, element[0]]
 
     renderResponses: ->
diff --git a/common/static/coffee/src/discussion/views/response_comment_show_view.coffee b/common/static/coffee/src/discussion/views/response_comment_show_view.coffee
index e6c8064978..84e7357e1f 100644
--- a/common/static/coffee/src/discussion/views/response_comment_show_view.coffee
+++ b/common/static/coffee/src/discussion/views/response_comment_show_view.coffee
@@ -26,7 +26,7 @@ if Backbone?
 
     convertMath: ->
       body = @$el.find(".response-body")
-      body.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight body.html()
+      body.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight body.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, body[0]]
 
     markAsStaff: ->
diff --git a/common/static/coffee/src/discussion/views/thread_response_show_view.coffee b/common/static/coffee/src/discussion/views/thread_response_show_view.coffee
index 32683fe6f6..1f305ddf34 100644
--- a/common/static/coffee/src/discussion/views/thread_response_show_view.coffee
+++ b/common/static/coffee/src/discussion/views/thread_response_show_view.coffee
@@ -30,7 +30,7 @@ if Backbone?
 
     convertMath: ->
       element = @$(".response-body")
-      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.html()
+      element.html DiscussionUtil.postMathJaxProcessor DiscussionUtil.markdownWithHighlight element.text()
       MathJax.Hub.Queue ["Typeset", MathJax.Hub, element[0]]
 
     markAsStaff: ->